Marquette Heights city, Illinois
Official LSAD Designation: Marquette Heights city • Census GEOID: 1747111
• Tazewell County
Demographics & Population Profile
Population and demographics for Marquette Heights city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 2,485 | — | 2025 | Census |
| Median Age | 37.7 yrs | ±3.3 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 1,045 | ±172 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).